• Google Search：Advanced search parameters(tbs)
• 1. Web Search
• 2. News Search
• 3. Image Search
• 4. Video Search
• 5. Shopping Search
• Example Summary
• Quick Access

1. Web Search

• Common tbs Use Cases and Parameter Explanations:

  Parameter	effect	Sample Value	Example URL parameter query
  qdr	Quick Date Range	qdr:h（Past hour） qdr:d（Past 24 hours） qdr:w（Past week） qdr:m（Past month） qdr:y（Past year）	tbs=qdr:m Show only content from the last month
  cdr:1 + cd_min/cd_max	Custom range	cd_min:01/01/2023,cd_max:12/31/2023	tbs=cdr:1,cd_min:01/01/2023,cd_max:12/31/2023
  li	Verbatim	li:1	tbs=li:1 Exact match keyword
  sbd	Sort By Date	sbd:1	tbs=qdr:y,sbd:1 Showing the past year, sorted by time
  rltm	Real-Time Results	rltm:1	tbs=rltm:1 Get real-time content (experimental)

  You can play with your time tbs values to customize your searches even further. For example, you can search for results in the past 5 hours using tbs=qdr:h5, or you can get results from the past six months using tbs=qdr:m6.

• Example URL：
  https://www.google.com/search?q=scrapeless&tbs=qdr:d,sbd:1

  Show search results for "scrapeless" from the last day, sorted by time.

2. News Search

• Use tbm=nws with tbs for advanced news filtering.

  Parameter	effect	Sample Value	Example URL parameter query
  qdr	Quick Date Range	qdr:d, qdr:w, qdr:m, qdr:y	tbs=qdr:w News within a week
  sbd	Sort By Date	sbd:1	tbs=qdr:d,sbd:1
  ar	Archives	tbs=ar:1

• Example URL：
  https://www.google.com/search?q=LLM&tbm=nws&tbs=qdr:w

  Search for news about LLM in the past week.

3. Image Search

• Use tbm=isch, tbs supports a wide variety of image filters.
  Common image filtering parameters:

  Parameter	effect	Sample Value / Description
  isz	Image size	l（Large image）, m（Medium image）, i（Icon）
  islt	Minimum size	islt:2mp, islt:4mp, islt:10mp , islt:qsvga, islt:vga, islt:svga,islt:xga
  ic	Image color	color, gray, trans（Transparent background）
  itp	Image type	clipart, lineart, photo, face, animated
  iar	Image aspect ratio	t（Tall）, w（wide）, s（Square）, xw（Ultra-wide）
  sur	Usage Rights	fc（Available for commercial use and modification）, f, fm, cr（With authorization）
  qdr	Quick Date Range	Same web search：qdr:d, qdr:w, qdr:m

• Example URL：
  https://www.google.com/search?q=cat&tbm=isch&tbs=isz:l,ic:trans

  Large transparent background cat image

4. Video Search

• Use tbm=vid to support basic time and type filtering.

  Parameter	effect	Sample Value	Example description
  qdr	Video upload time	qdr:h, qdr:d, qdr:m	Filter by video upload time
  dur	Video length	s（Short <4 minutes）, m（Medium 4-20 minutes）, l（Longer than 20 minutes）
  vid	Video source	youtube, vimeo	Limited source platform (unstable)
  hq	High-quality Videos	hq:h	High-quality videos
  cc	closed captions	cc:1	Videos with closed captions

• Example URL：
  https://www.google.com/search?q=python+tutorial&tbm=vid&tbs=qdr:w,dur:m

  Medium and long videos from the past week

5. Shopping Search

• Use tbm=shop and tbs to filter by price, brand, rating, etc.

Parameter	effect	Sample Value	Example description
p_ord	Sorting	p_ord:pr（Price），p_ord:rv（Rating）	sort results in Google Shopping
mr	Enable product filter	mr:1 Required
price:1 + ppr_min/ppr_max	Price range filter	ppr_min:100,ppr_max:500	Price range
vw	List View / Grid View	vw:l（List），vw:g（Grid）
sbd	Sort By Date	sbd:1

• Example URL：
  https://www.google.com/search?q=smartphone&tbm=shop&tbs=mr:1,price:1,ppr_min:200,ppr_max:400,vw:l

  Mobile phones priced between $200 and $400, listed display

Example Summary

Search type	Required parameters（tbm）	Available with tbs parameter	Example description
web	Default	qdr, cdr, sbd, li, rltm	Time filtering, exact matching, sorting by time
News	tbm=nws	qdr, sbd	News time filtering, sorted by publication time
Image	tbm=isch	isz, islt, ic, itp, iar, sur, qdr	Image size, type, color, usage rights, etc.
Video	tbm=vid	qdr, dur	Upload time and duration filtering
Shopping	tbm=shop	p_ord, mr, price, ppr_min, ppr_max, vw	Price, sort, brand filter, list or grid view

Quick Access

• Set up the filtering criteria in the Web settings, and you can obtain the corresponding tbs value in the address bar, eliminating the need to learn parameter rules.